Lady Gaga was in Chicago over the weekend with boyfriend and "Vampire Diaries" actor Taylor Kinney, who is filming the Dick Wolf pilot "Chicago Fire" in the city this month.

The couple dined at Lou Malnati's in River North Sunday night. They ordered salad, pasta and, of course, deep dish pizza.

Frontera Grill, Topolobampo and Xoco chef Rick Bayless tweeted a photo of himself and Gaga in the early hours of Sunday. "Who knew Lady Gaga is such a knowledgeable fan of mole&cochinita pibil?" Bayless tweeted. "Who knew she is such a warm, easy-going woman?

During past visits to Chicago, Gaga was spotted at Table Fifty-Two and Kuma's Corner.

Heads up: Actor Brian Dennehy will be the special guest narrator at Old St. Pat's 16th annual Siamsa na nGael program entitled “The Journey to Justice: The story of An American Slave and an Irish Patriot" March 12th at Chicago Symphony Center. For tickets, go to cso.org. ... The Bulls' CJ Watson will host a benefit for his Quiet Storm Foundation at Public House March 14. You can RSVP at rsvp@publichousechicago.com.

About this week: “The Hunger Games” cast members Josh Hutcherson, Isabelle Fuhrman and Jacqueline Emerson will promote their film at Westfiled Fox Valley mall in Aurora Wednesday.